Dewey Decimal Classification : a practical guide by Lois Mai Chan(
Book
)11
editions published
between
1994
and
2001
in
English and Italian
and held by
673 WorldCat member
libraries
worldwide
An introduction to the Dewey decimal classification with a historical background, and bibliography. Includes exercises

Abridged Dewey decimal classification and relative index by Melvil Dewey(
Book
)8
editions published
between
1990
and
2004
in
English
and held by
542 WorldCat member
libraries
worldwide
An abridgment of Edition 22 of the Dewey Decimal Classification system for organizing knowledge represented in any form, including
books, documents, and electronic records

Dewey decimal classification, 20th edition : a study manual by Jeanne Osborn(
Book
)8
editions published
in
1991
in
English
and held by
250 WorldCat member
libraries
worldwide
This work traces recent developments in the Dewey Decimal Classification and points to those characteristics which appear
to be shaping its future. Although designed for use with previous editions of DDC, this offers reliable explanation and drill.
The present study is more concerned with differences between DDC 19 and DDC 20